The p-value for a test of the hypotheses  and  is calculated to be 0.007.  Which of the following most closely identifies the meaning of this outcome? The true population proportion is probably 30%. The true population proportion is probably greater than 30%. The sample proportion was probably greater than 30% The true population proportion is probably less than 30%.

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A: (a) The following hypothesis can be formed H0: p=0.61HA: p>0.61

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Q: The p-value for a test of the hypotheses Ho: p=.3 and Hp: p<.3  is calculated to be 0.007.  Which of…

A: The p-value is 0.007. Decision rule: If p-value≤α, then reject the null hypothesis. Otherwise, do…

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A: Given that  P=0.398

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A:

Q: Your investment executive claims that the average yearly rate of return on the stocks she recommends…

A: Given,claim:  the average yearly rate of return on the stocks she recommends is at least OMR 11000.

Q: Which of the following statements are accurate?

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Q: In your state, 58 percent of registered voters in a community are registered as Republicans. You…

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Q: Write the statistical hypotheses for the below after determining if it is one-tailed or two-tailed.…

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Q: If we test the hypotheses below with 0.05 level of significance and n=10, s²=6 He: o2=5

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Q: H0:p=0.41 Ha:p≠0.41 Calculate the test statistic, rounde

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Q: For each pair of hypotheses that follows, decide whether H₀ and H₁ are set up correctly as the null…

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Q: Before a congressional election, a poll is taken of registered voters to estimate the proportion…

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Q: A test of Ho: p = 0.5 versus Ha: p > 0.5 has a test statistic of z = 2.19.  What is the P-value for…

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Q: In testing the hypotheses H0: µ ≥70 vs. Ha: µ < 70, we found that the standardized test statistic is…

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A: Given information- Population proportion, p = 0.389 We have to test the claim that the president of…

Q: The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject Ho when the…

A: To decide whether to reject the null hypothesis we compare p-value and level of significance.

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A: Given that  H0: p=0.30   Vs   H1: p&lt;0.30 P-value=0.045 ,?=  0.05

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Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 86…

A: State the hypotheses.   Let p1 denotes the population proportion of conservative voters. Let p2…

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A:

Q: The mean IQ of statistics teachers is greater than 120. Write the null and alternative hypotheses.

A: Given, The mean IQ of statistics teachers is greater than 120 Therefore, The Null Hypothesis is Ho:…

Q: For students who first enrolled in two year public institutions in a recent​ semester, the…

A: The hypothesized proportion is 0.389.

Q: In testing the hypotheses H0: µ ≥50 vs. Ha: µ < 50, we found that the standardized test statistic is…

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Q: t is advertised that the average braking distance for a small car traveling at 65 miles per hour…

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Q: 56% of students entering four-year colleges receive a degree within six years. Is this percent…

A: Given: Population proportion p0=0.56 Sample size n=245 Number of favorable cases X=152 Sample…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.